import java.io.File;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 86183
 * Date: 2024-04-18
 * Time: 9:22
 */
public class Demo10 {
    public static void main(String[] args) {
        File dir=new File("./fff/ggg/lll/a.txt");//把a.txt看成了文件夹
        dir.mkdirs();
    }
}
